HP 8753E

Identify the Stuck Key
Match the LED pattern with the patterns in ‘Ihble 6-l. The LED pattern
identifies the stuck key. Free the stuck key or replace the front panel part
causing the problem.
‘lhble 6-l. Front Panel Key Codes
DeChWl LBD fattern
%
Front Rrnel Block
Nnmber
CEl CE2 R L T
6
0
E
Response
1
.
2
.
&
Entry
=m
3
. .
-Pm
4 .
E
Ax!
BfXpOnSe
5 .
.
0
Entry
6 .
.
0
Entry
7 . . .
&f.f.;j:T~
Softicey
8 .
;-.;g.
MtJ=Y
9 .
.
El
Entry
10 . .
Lo/n)
-try
11 . . .
m
Active Channel
12 . .
Active Channel
13
.
. .
77
Entry
14
. . .
b
Entry
15 . . . .
g&&#&f;
softkey
16
.
@GJ
StllllUlUS
17 . . Instrument State
18 .
.
@F
Instrument State
19 . . .
&&
StllllUlUS
20
. .
Start
StiIllUlW
21
. . .
@ii2
Instrument State
22.
. .
.
Lsystem
Instrument State
23
. .
.
.
$j?jR&$d
softkey
24
. .
aesponse
25
. .
.
Entry
6-14 Digital Control Troubleshooting